402551034 has 8 divisors (see below), whose sum is σ = 805102080. Its totient is φ = 134183676.

The previous prime is 402551029. The next prime is 402551053. The reversal of 402551034 is 430155204.

It is a sphenic number, since it is the product of 3 distinct primes.

402551034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 402550995 and 402551013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33545914 + ... + 33545925.

It is an arithmetic number, because the mean of its divisors is an integer number (100637760).

Almost surely, 2^402551034 is an apocalyptic number.

402551034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402551034 is a wasteful number, since it uses less digits than its factorization.

402551034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67091844.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 402551034 is about 20063.6744889863. The cubic root of 402551034 is about 738.3693299047.

The spelling of 402551034 in words is "four hundred two million, five hundred fifty-one thousand, thirty-four".