40415648 has 48 divisors (see below), whose sum is σ = 97937280. Its totient is φ = 15987456.

The previous prime is 40415633. The next prime is 40415653. The reversal of 40415648 is 84651404.

It is a super-3 number, since 3×40415648³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (2040360).

Almost surely, 2^40415648 is an apocalyptic number.

It is an amenable number.

40415648 is an abundant number, since it is smaller than the sum of its proper divisors (57521632).

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

40415648 is a wasteful number, since it uses less digits than its factorization.

40415648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909 (or 13901 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40415648 is about 6357.3302572699. The cubic root of 40415648 is about 343.1756899265.

The spelling of 40415648 in words is "forty million, four hundred fifteen thousand, six hundred forty-eight".