402434441244024 has 128 divisors (see below), whose sum is σ = 1172504762419200. Its totient is φ = 112728328352640.

The previous prime is 402434441243963. The next prime is 402434441244041. The reversal of 402434441244024 is 420442144434204.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 82347454 + ... + 87097485.

It is an arithmetic number, because the mean of its divisors is an integer number (9160193456400).

Almost surely, 2^{402434441244024} is an apocalyptic number.

It is an amenable number.

402434441244024 is an abundant number, since it is smaller than the sum of its proper divisors (770070321175176).

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

402434441244024 is a wasteful number, since it uses less digits than its factorization.

402434441244024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169445233 (or 169445229 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 42.

Adding to 402434441244024 its reverse (420442144434204), we get a palindrome (822876585678228).

The spelling of 402434441244024 in words is "four hundred two trillion, four hundred thirty-four billion, four hundred forty-one million, two hundred forty-four thousand, twenty-four".