40253513215 has 8 divisors (see below), whose sum is σ = 48319902288. Its totient is φ = 32192352960.

The previous prime is 40253513213. The next prime is 40253513269. The reversal of 40253513215 is 51231535204.

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

It is not a de Polignac number, because 40253513215 - 2¹ = 40253513213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253513213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290246 + ... + 1321075.

It is an arithmetic number, because the mean of its divisors is an integer number (6039987786).

Almost surely, 2^40253513215 is an apocalyptic number.

40253513215 is a deficient number, since it is larger than the sum of its proper divisors (8066389073).

40253513215 is a wasteful number, since it uses less digits than its factorization.

40253513215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614409.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 40253513215 in words is "forty billion, two hundred fifty-three million, five hundred thirteen thousand, two hundred fifteen".