1400350040520 has 64 divisors (see below), whose sum is σ = 4254228000000. Its totient is φ = 368699755008.

The previous prime is 1400350040513. The next prime is 1400350040581. The reversal of 1400350040520 is 250400530041.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 73848645 + ... + 73867604.

It is an arithmetic number, because the mean of its divisors is an integer number (66472312500).

Almost surely, 2^{1400350040520} is an apocalyptic number.

1400350040520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400350040520 is an abundant number, since it is smaller than the sum of its proper divisors (2853877959480).

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

1400350040520 is a wasteful number, since it uses less digits than its factorization.

1400350040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147716342 (or 147716338 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 1400350040520 its reverse (250400530041), we get a palindrome (1650750570561).

The spelling of 1400350040520 in words is "one trillion, four hundred billion, three hundred fifty million, forty thousand, five hundred twenty".