40426707 has 4 divisors (see below), whose sum is σ = 53902280. Its totient is φ = 26951136.

The previous prime is 40426679. The next prime is 40426717. The reversal of 40426707 is 70762404.

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

It is not a de Polignac number, because 40426707 - 2¹⁵ = 40393939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40426717) 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, 6737782 + ... + 6737787.

It is an arithmetic number, because the mean of its divisors is an integer number (13475570).

Almost surely, 2^40426707 is an apocalyptic number.

40426707 is a deficient number, since it is larger than the sum of its proper divisors (13475573).

40426707 is a wasteful number, since it uses less digits than its factorization.

40426707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13475572.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 40426707 is about 6358.1999811267. The cubic root of 40426707 is about 343.2069883141.

The spelling of 40426707 in words is "forty million, four hundred twenty-six thousand, seven hundred seven".