402052534 has 16 divisors (see below), whose sum is σ = 649917072. Its totient is φ = 185434848.

The previous prime is 402052513. The next prime is 402052579. The reversal of 402052534 is 435250204.

It is a junction number, because it is equal to n+sod(n) for n = 402052499 and 402052508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40597 + ... + 49519.

It is an arithmetic number, because the mean of its divisors is an integer number (40619817).

Almost surely, 2^402052534 is an apocalyptic number.

402052534 is a deficient number, since it is larger than the sum of its proper divisors (247864538).

402052534 is a wasteful number, since it uses less digits than its factorization.

402052534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 402052534 is about 20051.2476918520. The cubic root of 402052534 is about 738.0644168868.

The spelling of 402052534 in words is "four hundred two million, fifty-two thousand, five hundred thirty-four".