404252534 has 16 divisors (see below), whose sum is σ = 693924000. Its totient is φ = 173021184.

The previous prime is 404252533. The next prime is 404252539. The reversal of 404252534 is 435252404.

It is a super-2 number, since 2×404252534² = 326840222490842312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404252497 and 404252506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404252533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8009 + ... + 29540.

It is an arithmetic number, because the mean of its divisors is an integer number (43370250).

Almost surely, 2^404252534 is an apocalyptic number.

404252534 is a deficient number, since it is larger than the sum of its proper divisors (289671466).

404252534 is a wasteful number, since it uses less digits than its factorization.

404252534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38327.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 404252534 is about 20106.0322788958. The cubic root of 404252534 is about 739.4081791137.

The spelling of 404252534 in words is "four hundred four million, two hundred fifty-two thousand, five hundred thirty-four".