40072706155 has 8 divisors (see below), whose sum is σ = 48695947200. Its totient is φ = 31652365056.

The previous prime is 40072706101. The next prime is 40072706189. The reversal of 40072706155 is 55160727004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40072706155 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50724550 + ... + 50725339.

It is an arithmetic number, because the mean of its divisors is an integer number (6086993400).

Almost surely, 2^40072706155 is an apocalyptic number.

40072706155 is a deficient number, since it is larger than the sum of its proper divisors (8623241045).

40072706155 is a wasteful number, since it uses less digits than its factorization.

40072706155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101449973.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 40072706155 in words is "forty billion, seventy-two million, seven hundred six thousand, one hundred fifty-five".