30988197461040 has 80 divisors (see below), whose sum is σ = 96205308367968. Its totient is φ = 8251313195008.

The previous prime is 30988197461027. The next prime is 30988197461077. The reversal of 30988197461040 is 4016479188903.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×30988197461040³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 95197557 + ... + 95522516.

Almost surely, 2^{30988197461040} is an apocalyptic number.

30988197461040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30988197461040 is an abundant number, since it is smaller than the sum of its proper divisors (65217110906928).

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

30988197461040 is a wasteful number, since it uses less digits than its factorization.

30988197461040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190720766 (or 190720760 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 30988197461040 in words is "thirty trillion, nine hundred eighty-eight billion, one hundred ninety-seven million, four hundred sixty-one thousand, forty".