40275690 has 64 divisors (see below), whose sum is σ = 118976256. Its totient is φ = 8497152.

The previous prime is 40275689. The next prime is 40275709. The reversal of 40275690 is 9657204.

It is a super-2 number, since 2×40275690² = 3244262409952200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4647 + ... + 10106.

It is an arithmetic number, because the mean of its divisors is an integer number (1859004).

Almost surely, 2^40275690 is an apocalyptic number.

40275690 is an abundant number, since it is smaller than the sum of its proper divisors (78700566).

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

40275690 is a wasteful number, since it uses less digits than its factorization.

40275690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14783.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 40275690 is about 6346.3131028968. The cubic root of 40275690 is about 342.7790965706.

The spelling of 40275690 in words is "forty million, two hundred seventy-five thousand, six hundred ninety".