40578052615 has 8 divisors (see below), whose sum is σ = 48697569648. Its totient is φ = 32459837760.

The previous prime is 40578052591. The next prime is 40578052631. The reversal of 40578052615 is 51625087504.

40578052615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40578052615 - 2⁹ = 40578052103 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 255621 + ... + 382750.

It is an arithmetic number, because the mean of its divisors is an integer number (6087196206).

Almost surely, 2^40578052615 is an apocalyptic number.

40578052615 is a deficient number, since it is larger than the sum of its proper divisors (8119517033).

40578052615 is a wasteful number, since it uses less digits than its factorization.

40578052615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651089.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 40578052615 in words is "forty billion, five hundred seventy-eight million, fifty-two thousand, six hundred fifteen".