402487845108 has 48 divisors (see below), whose sum is σ = 940458060864. Its totient is φ = 133974184960.

The previous prime is 402487845103. The next prime is 402487845127. The reversal of 402487845108 is 801548784204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402487845101) by changing a digit.

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, 51327268 + ... + 51335108.

It is an arithmetic number, because the mean of its divisors is an integer number (19592876268).

Almost surely, 2^402487845108 is an apocalyptic number.

It is an amenable number.

402487845108 is an abundant number, since it is smaller than the sum of its proper divisors (537970215756).

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

402487845108 is a wasteful number, since it uses less digits than its factorization.

402487845108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13312 (or 13310 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 51.

The spelling of 402487845108 in words is "four hundred two billion, four hundred eighty-seven million, eight hundred forty-five thousand, one hundred eight".