315532522040 has 32 divisors (see below), whose sum is σ = 710012699280. Its totient is φ = 126201537792.

The previous prime is 315532522021. The next prime is 315532522049. The reversal of 315532522040 is 40225235513.

It is a junction number, because it is equal to n+sod(n) for n = 315532521988 and 315532522006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315532522049) 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, 94199 + ... + 799961.

Almost surely, 2^315532522040 is an apocalyptic number.

It is an amenable number.

315532522040 is an abundant number, since it is smaller than the sum of its proper divisors (394480177240).

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

315532522040 is a wasteful number, since it uses less digits than its factorization.

315532522040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716951 (or 716947 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 315532522040 its reverse (40225235513), we get a palindrome (355757757553).

The spelling of 315532522040 in words is "three hundred fifteen billion, five hundred thirty-two million, five hundred twenty-two thousand, forty".