40401122407 has 4 divisors (see below), whose sum is σ = 40462993080. Its totient is φ = 40339251736.

The previous prime is 40401122371. The next prime is 40401122429. The reversal of 40401122407 is 70422110404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40401122407 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 (40401122467) 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, 30934357 + ... + 30935662.

It is an arithmetic number, because the mean of its divisors is an integer number (10115748270).

Almost surely, 2^40401122407 is an apocalyptic number.

40401122407 is a deficient number, since it is larger than the sum of its proper divisors (61870673).

40401122407 is an equidigital number, since it uses as much as digits as its factorization.

40401122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61870672.

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 40401122407 in words is "forty billion, four hundred one million, one hundred twenty-two thousand, four hundred seven".