400733632 has 28 divisors (see below), whose sum is σ = 856377256. Its totient is φ = 184953600.

The previous prime is 400733591. The next prime is 400733677. The reversal of 400733632 is 236337004.

It is a super-2 number, since 2×400733632² = 321174887631822848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400733632.

It is a congruent number.

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, 239994 + ... + 241657.

It is an arithmetic number, because the mean of its divisors is an integer number (30584902).

Almost surely, 2^400733632 is an apocalyptic number.

It is an amenable number.

400733632 is an abundant number, since it is smaller than the sum of its proper divisors (455643624).

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

400733632 is a wasteful number, since it uses less digits than its factorization.

400733632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481676 (or 481666 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 400733632 is about 20018.3323980795. The cubic root of 400733632 is about 737.2564785182.

The spelling of 400733632 in words is "four hundred million, seven hundred thirty-three thousand, six hundred thirty-two".