402104242488 has 64 divisors (see below), whose sum is σ = 1083437177760. Its totient is φ = 123627373056.

The previous prime is 402104242487. The next prime is 402104242489. The reversal of 402104242488 is 884242401204.

It is an interprime number because it is at equal distance from previous prime (402104242487) and next prime (402104242489).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402104242487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106195 + ... + 903042.

Almost surely, 2^402104242488 is an apocalyptic number.

It is an amenable number.

402104242488 is an abundant number, since it is smaller than the sum of its proper divisors (681332935272).

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

402104242488 is a wasteful number, since it uses less digits than its factorization.

402104242488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010536 (or 1010532 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 39.

The spelling of 402104242488 in words is "four hundred two billion, one hundred four million, two hundred forty-two thousand, four hundred eighty-eight".