1400444413320 has 64 divisors (see below), whose sum is σ = 4206413747520. Its totient is φ = 373000242944.

The previous prime is 1400444413307. The next prime is 1400444413373. The reversal of 1400444413320 is 233144440041.

It is a super-2 number, since 2×1400444413320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6956607 + ... + 7155086.

It is an arithmetic number, because the mean of its divisors is an integer number (65725214805).

Almost surely, 2^{1400444413320} is an apocalyptic number.

1400444413320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400444413320 is an abundant number, since it is smaller than the sum of its proper divisors (2805969334200).

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

1400444413320 is a wasteful number, since it uses less digits than its factorization.

1400444413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14112534 (or 14112530 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1400444413320 its reverse (233144440041), we get a palindrome (1633588853361).

The spelling of 1400444413320 in words is "one trillion, four hundred billion, four hundred forty-four million, four hundred thirteen thousand, three hundred twenty".