40621506715 has 32 divisors (see below), whose sum is σ = 52435543104. Its totient is φ = 30099210240.

The previous prime is 40621506713. The next prime is 40621506773. The reversal of 40621506715 is 51760512604.

It is a happy number.

It is not a de Polignac number, because 40621506715 - 2¹ = 40621506713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40621506713) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6927885 + ... + 6933745.

It is an arithmetic number, because the mean of its divisors is an integer number (1638610722).

Almost surely, 2^40621506715 is an apocalyptic number.

40621506715 is a deficient number, since it is larger than the sum of its proper divisors (11814036389).

40621506715 is a wasteful number, since it uses less digits than its factorization.

40621506715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 40621506715 in words is "forty billion, six hundred twenty-one million, five hundred six thousand, seven hundred fifteen".