40720307379 has 16 divisors (see below), whose sum is σ = 54975648000. Its totient is φ = 26806250016.

The previous prime is 40720307363. The next prime is 40720307423. The reversal of 40720307379 is 97370302704.

It is not a de Polignac number, because 40720307379 - 2⁴ = 40720307363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40720307379.

It is not an unprimeable number, because it can be changed into a prime (40720307279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464922 + ... + 545520.

It is an arithmetic number, because the mean of its divisors is an integer number (3435978000).

Almost surely, 2^40720307379 is an apocalyptic number.

40720307379 is a deficient number, since it is larger than the sum of its proper divisors (14255340621).

40720307379 is a wasteful number, since it uses less digits than its factorization.

40720307379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82714.

The product of its (nonzero) digits is 222264, while the sum is 42.

The spelling of 40720307379 in words is "forty billion, seven hundred twenty million, three hundred seven thousand, three hundred seventy-nine".