400415088 has 20 divisors (see below), whose sum is σ = 1034405768. Its totient is φ = 133471680.

The previous prime is 400415087. The next prime is 400415089. The reversal of 400415088 is 880514004.

It is an interprime number because it is at equal distance from previous prime (400415087) and next prime (400415089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400415083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4170943 + ... + 4171038.

Almost surely, 2^400415088 is an apocalyptic number.

400415088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400415088 is an abundant number, since it is smaller than the sum of its proper divisors (633990680).

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

400415088 is a wasteful number, since it uses less digits than its factorization.

400415088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341992 (or 8341986 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 400415088 is about 20010.3745092390. The cubic root of 400415088 is about 737.0610778301.

The spelling of 400415088 in words is "four hundred million, four hundred fifteen thousand, eighty-eight".