40072072039 has 2 divisors, whose sum is σ = 40072072040. Its totient is φ = 40072072038.

The previous prime is 40072072021. The next prime is 40072072057. The reversal of 40072072039 is 93027027004.

It is a balanced prime because it is at equal distance from previous prime (40072072021) and next prime (40072072057).

It is a cyclic number.

It is not a de Polignac number, because 40072072039 - 2²¹ = 40069974887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40072071995 and 40072072013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40072072099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20036036019 + 20036036020.

It is an arithmetic number, because the mean of its divisors is an integer number (20036036020).

Almost surely, 2^40072072039 is an apocalyptic number.

40072072039 is a deficient number, since it is larger than the sum of its proper divisors (1).

40072072039 is an equidigital number, since it uses as much as digits as its factorization.

40072072039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 40072072039 in words is "forty billion, seventy-two million, seventy-two thousand, thirty-nine".