1400254236420 has 192 divisors, whose sum is σ = 4472677149696. Its totient is φ = 324257587200.

The previous prime is 1400254236413. The next prime is 1400254236457. The reversal of 1400254236420 is 246324520041.

It is a super-2 number, since 2×1400254236420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31151802 + ... + 31196718.

It is an arithmetic number, because the mean of its divisors is an integer number (23295193488).

Almost surely, 2^{1400254236420} is an apocalyptic number.

1400254236420 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 1400254236420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2236338574848).

1400254236420 is an abundant number, since it is smaller than the sum of its proper divisors (3072422913276).

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

1400254236420 is a wasteful number, since it uses less digits than its factorization.

1400254236420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47310 (or 47308 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1400254236420 its reverse (246324520041), we get a palindrome (1646578756461).

The spelling of 1400254236420 in words is "one trillion, four hundred billion, two hundred fifty-four million, two hundred thirty-six thousand, four hundred twenty".