1400441033420 has 192 divisors, whose sum is σ = 3551004648576. Its totient is φ = 457044664320.

The previous prime is 1400441033297. The next prime is 1400441033429. The reversal of 1400441033420 is 243301440041.

It is a super-2 number, since 2×1400441033420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1400441033420.

It is not an unprimeable number, because it can be changed into a prime (1400441033429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179149352 + ... + 179157168.

It is an arithmetic number, because the mean of its divisors is an integer number (18494815878).

Almost surely, 2^{1400441033420} is an apocalyptic number.

1400441033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400441033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775502324288).

1400441033420 is an abundant number, since it is smaller than the sum of its proper divisors (2150563615156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400441033420 is a wasteful number, since it uses less digits than its factorization.

1400441033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580 (or 9578 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1400441033420 its reverse (243301440041), we get a palindrome (1643742473461).

The spelling of 1400441033420 in words is "one trillion, four hundred billion, four hundred forty-one million, thirty-three thousand, four hundred twenty".