215025526040 has 64 divisors (see below), whose sum is σ = 521098855200. Its totient is φ = 79382541312.

The previous prime is 215025526039. The next prime is 215025526063. The reversal of 215025526040 is 40625520512.

It is a junction number, because it is equal to n+sod(n) for n = 215025525988 and 215025526006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4114796 + ... + 4166724.

Almost surely, 2^215025526040 is an apocalyptic number.

215025526040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215025526040 is an abundant number, since it is smaller than the sum of its proper divisors (306073329160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215025526040 is a wasteful number, since it uses less digits than its factorization.

215025526040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59916 (or 59912 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 215025526040 in words is "two hundred fifteen billion, twenty-five million, five hundred twenty-six thousand, forty".