40607607 has 4 divisors (see below), whose sum is σ = 54143480. Its totient is φ = 27071736.

The previous prime is 40607603. The next prime is 40607621. The reversal of 40607607 is 70670604.

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

It is not a de Polignac number, because 40607607 - 2² = 40607603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40607603) 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, 6767932 + ... + 6767937.

It is an arithmetic number, because the mean of its divisors is an integer number (13535870).

Almost surely, 2^40607607 is an apocalyptic number.

40607607 is a deficient number, since it is larger than the sum of its proper divisors (13535873).

40607607 is a wasteful number, since it uses less digits than its factorization.

40607607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535872.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 40607607 is about 6372.4098267453. The cubic root of 40607607 is about 343.7181501290.

It can be divided in two parts, 40607 and 607, that added together give a palindrome (41214).

The spelling of 40607607 in words is "forty million, six hundred seven thousand, six hundred seven".