40709491989515 has 8 divisors (see below), whose sum is σ = 48890882222160. Its totient is φ = 32541265701792.

The previous prime is 40709491989499. The next prime is 40709491989521. The reversal of 40709491989515 is 51598919490704.

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

It is a cyclic number.

It is not a de Polignac number, because 40709491989515 - 2⁴ = 40709491989499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3290979425 + ... + 3290991794.

It is an arithmetic number, because the mean of its divisors is an integer number (6111360277770).

Almost surely, 2^{40709491989515} is an apocalyptic number.

40709491989515 is a deficient number, since it is larger than the sum of its proper divisors (8181390232645).

40709491989515 is a wasteful number, since it uses less digits than its factorization.

40709491989515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581972461.

The product of its (nonzero) digits is 146966400, while the sum is 71.

The spelling of 40709491989515 in words is "forty trillion, seven hundred nine billion, four hundred ninety-one million, nine hundred eighty-nine thousand, five hundred fifteen".