402431032140102 has 64 divisors (see below), whose sum is σ = 1022096248588800. Its totient is φ = 114974761828320.

The previous prime is 402431032139977. The next prime is 402431032140121. The reversal of 402431032140102 is 201041230134204.

402431032140102 is a `hidden beast` number, since 4 + 0 + 2 + 431 + 0 + 3 + 214 + 0 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17747424 + ... + 33463907.

It is an arithmetic number, because the mean of its divisors is an integer number (15970253884200).

Almost surely, 2^{402431032140102} is an apocalyptic number.

402431032140102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402431032140102 is an abundant number, since it is smaller than the sum of its proper divisors (619665216448698).

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

402431032140102 is a wasteful number, since it uses less digits than its factorization.

402431032140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51232138 (or 51232132 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 402431032140102 its reverse (201041230134204), we get a palindrome (603472262274306).

The spelling of 402431032140102 in words is "four hundred two trillion, four hundred thirty-one billion, thirty-two million, one hundred forty thousand, one hundred two".