64562005240 has 32 divisors (see below), whose sum is σ = 145904464080. Its totient is φ = 25711032832.

The previous prime is 64562005217. The next prime is 64562005241. The reversal of 64562005240 is 4250026546.

It is a junction number, because it is equal to n+sod(n) for n = 64562005196 and 64562005205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64562005241) 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, 3546097 + ... + 3564256.

Almost surely, 2^64562005240 is an apocalyptic number.

It is an amenable number.

64562005240 is an abundant number, since it is smaller than the sum of its proper divisors (81342458840).

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

64562005240 is a wasteful number, since it uses less digits than its factorization.

64562005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110591 (or 7110587 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 64562005240 in words is "sixty-four billion, five hundred sixty-two million, five thousand, two hundred forty".