400535088 has 20 divisors (see below), whose sum is σ = 1034715768. Its totient is φ = 133511680.

The previous prime is 400535071. The next prime is 400535111. The reversal of 400535088 is 880535004.

It is a happy 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, 4172193 + ... + 4172288.

Almost surely, 2^400535088 is an apocalyptic number.

400535088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400535088 is an abundant number, since it is smaller than the sum of its proper divisors (634180680).

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

400535088 is a wasteful number, since it uses less digits than its factorization.

400535088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344492 (or 8344486 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 400535088 is about 20013.3727292528. The cubic root of 400535088 is about 737.1347001767.

It can be divided in two parts, 4005 and 35088, that added together give a palindrome (39093).

The spelling of 400535088 in words is "four hundred million, five hundred thirty-five thousand, eighty-eight".