30497923456 has 512 divisors, whose sum is σ = 86858956800. Its totient is φ = 10279526400.

The previous prime is 30497923439. The next prime is 30497923459. The reversal of 30497923456 is 65432979403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30497923459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 232808511 + ... + 232808641.

It is an arithmetic number, because the mean of its divisors is an integer number (169646400).

Almost surely, 2^30497923456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30497923456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43429478400).

30497923456 is an abundant number, since it is smaller than the sum of its proper divisors (56361033344).

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

30497923456 is a wasteful number, since it uses less digits than its factorization.

30497923456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 30497923456 in words is "thirty billion, four hundred ninety-seven million, nine hundred twenty-three thousand, four hundred fifty-six".