402601761320 has 32 divisors (see below), whose sum is σ = 988204324320. Its totient is φ = 146400640320.

The previous prime is 402601761319. The next prime is 402601761323. The reversal of 402601761320 is 23167106204.

It is not an unprimeable number, because it can be changed into a prime (402601761323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457501562 + ... + 457502441.

It is an arithmetic number, because the mean of its divisors is an integer number (30881385135).

Almost surely, 2^402601761320 is an apocalyptic number.

402601761320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402601761320 is an abundant number, since it is smaller than the sum of its proper divisors (585602563000).

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

402601761320 is a wasteful number, since it uses less digits than its factorization.

402601761320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915004025 (or 915004021 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 402601761320 its reverse (23167106204), we get a palindrome (425768867524).

The spelling of 402601761320 in words is "four hundred two billion, six hundred one million, seven hundred sixty-one thousand, three hundred twenty".