40993977 has 8 divisors (see below), whose sum is σ = 54898240. Its totient is φ = 27209520.

The previous prime is 40993957. The next prime is 40993993. The reversal of 40993977 is 77939904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40993977 - 2⁶ = 40993913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40993937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29149 + ... + 30522.

It is an arithmetic number, because the mean of its divisors is an integer number (6862280).

Almost surely, 2^40993977 is an apocalyptic number.

It is an amenable number.

40993977 is a deficient number, since it is larger than the sum of its proper divisors (13904263).

40993977 is a wasteful number, since it uses less digits than its factorization.

40993977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59903.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 40993977 is about 6402.6539028750. The cubic root of 40993977 is about 344.8048381606.

The spelling of 40993977 in words is "forty million, nine hundred ninety-three thousand, nine hundred seventy-seven".