40425408 has 42 divisors (see below), whose sum is σ = 115873784. Its totient is φ = 13474944.

The previous prime is 40425397. The next prime is 40425409. The reversal of 40425408 is 80452404.

40425408 is a `hidden beast` number, since 404 + 254 + 0 + 8 = 666.

It is a super-2 number, since 2×40425408² = 3268427223932928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34516 + ... + 35667.

Almost surely, 2^40425408 is an apocalyptic number.

40425408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40425408 is an abundant number, since it is smaller than the sum of its proper divisors (75448376).

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

40425408 is a wasteful number, since it uses less digits than its factorization.

40425408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70201 (or 70188 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 40425408 is about 6358.0978287535. The cubic root of 40425408 is about 343.2033122734.

The spelling of 40425408 in words is "forty million, four hundred twenty-five thousand, four hundred eight".