40977659 has 4 divisors (see below), whose sum is σ = 41276904. Its totient is φ = 40678416.

The previous prime is 40977613. The next prime is 40977689. The reversal of 40977659 is 95677904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40977659 - 2⁸ = 40977403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40977689) 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, 149417 + ... + 149690.

It is an arithmetic number, because the mean of its divisors is an integer number (10319226).

Almost surely, 2^40977659 is an apocalyptic number.

40977659 is a deficient number, since it is larger than the sum of its proper divisors (299245).

40977659 is a wasteful number, since it uses less digits than its factorization.

40977659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299244.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 40977659 is about 6401.3794607100. The cubic root of 40977659 is about 344.7590812593.

The spelling of 40977659 in words is "forty million, nine hundred seventy-seven thousand, six hundred fifty-nine".