40401707 has 4 divisors (see below), whose sum is σ = 42778296. Its totient is φ = 38025120.

The previous prime is 40401701. The next prime is 40401709. The reversal of 40401707 is 70710404.

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 40401707 - 2⁶ = 40401643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40401701) 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, 1188269 + ... + 1188302.

It is an arithmetic number, because the mean of its divisors is an integer number (10694574).

Almost surely, 2^40401707 is an apocalyptic number.

40401707 is a deficient number, since it is larger than the sum of its proper divisors (2376589).

40401707 is a wasteful number, since it uses less digits than its factorization.

40401707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376588.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40401707 is about 6356.2337118769. The cubic root of 40401707 is about 343.1362269732.

The spelling of 40401707 in words is "forty million, four hundred one thousand, seven hundred seven".