402051411500120 has 64 divisors (see below), whose sum is σ = 919345267008000. Its totient is φ = 158218184833408.

The previous prime is 402051411500119. The next prime is 402051411500147. The reversal of 402051411500120 is 21005114150204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402051411500120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252553430 + ... + 254140389.

It is an arithmetic number, because the mean of its divisors is an integer number (14364769797000).

Almost surely, 2^{402051411500120} is an apocalyptic number.

402051411500120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402051411500120 is an abundant number, since it is smaller than the sum of its proper divisors (517293855507880).

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

402051411500120 is a wasteful number, since it uses less digits than its factorization.

402051411500120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506694152 (or 506694148 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 402051411500120 its reverse (21005114150204), we get a palindrome (423056525650324).

The spelling of 402051411500120 in words is "four hundred two trillion, fifty-one billion, four hundred eleven million, five hundred thousand, one hundred twenty".