97526958440 has 32 divisors (see below), whose sum is σ = 219503036160. Its totient is φ = 38998804800.

The previous prime is 97526958413. The next prime is 97526958497. The reversal of 97526958440 is 4485962579.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97526958440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241856 + ... + 503535.

It is an arithmetic number, because the mean of its divisors is an integer number (6859469880).

Almost surely, 2^97526958440 is an apocalyptic number.

It is an amenable number.

97526958440 is an abundant number, since it is smaller than the sum of its proper divisors (121976077720).

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

97526958440 is a wasteful number, since it uses less digits than its factorization.

97526958440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748673 (or 748669 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 97526958440 in words is "ninety-seven billion, five hundred twenty-six million, nine hundred fifty-eight thousand, four hundred forty".