40706767972 has 12 divisors (see below), whose sum is σ = 76716601276. Its totient is φ = 18787739040.

The previous prime is 40706767961. The next prime is 40706767973. The reversal of 40706767972 is 27976760704.

It can be written as a sum of positive squares in 2 ways, for example, as 2688007716 + 38018760256 = 51846^2 + 194984^2 .

It is not an unprimeable number, because it can be changed into a prime (40706767973) 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, 391411179 + ... + 391411282.

Almost surely, 2^40706767972 is an apocalyptic number.

It is an amenable number.

40706767972 is a deficient number, since it is larger than the sum of its proper divisors (36009833304).

40706767972 is a wasteful number, since it uses less digits than its factorization.

40706767972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782822478 (or 782822476 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 40706767972 in words is "forty billion, seven hundred six million, seven hundred sixty-seven thousand, nine hundred seventy-two".