40375500215 has 4 divisors (see below), whose sum is σ = 48450600264. Its totient is φ = 32300400168.

The previous prime is 40375500211. The next prime is 40375500301. The reversal of 40375500215 is 51200557304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40375500215 - 2² = 40375500211 is a prime.

It is a super-2 number, since 2×40375500215² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375500211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4037550017 + ... + 4037550026.

It is an arithmetic number, because the mean of its divisors is an integer number (12112650066).

Almost surely, 2^40375500215 is an apocalyptic number.

40375500215 is a deficient number, since it is larger than the sum of its proper divisors (8075100049).

40375500215 is an equidigital number, since it uses as much as digits as its factorization.

40375500215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075100048.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 40375500215 in words is "forty billion, three hundred seventy-five million, five hundred thousand, two hundred fifteen".