40145676 has 24 divisors (see below), whose sum is σ = 93778944. Its totient is φ = 13366800.

The previous prime is 40145641. The next prime is 40145701. The reversal of 40145676 is 67654104.

It is a super-2 number, since 2×40145676² = 3223350602993952, which contains 22 as substring.

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, 15901 + ... + 18251.

It is an arithmetic number, because the mean of its divisors is an integer number (3907456).

Almost surely, 2^40145676 is an apocalyptic number.

It is an amenable number.

40145676 is an abundant number, since it is smaller than the sum of its proper divisors (53633268).

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

40145676 is a wasteful number, since it uses less digits than its factorization.

40145676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40145676 is about 6336.0615527313. The cubic root of 40145676 is about 342.4098571092.

The spelling of 40145676 in words is "forty million, one hundred forty-five thousand, six hundred seventy-six".