30612264540 has 144 divisors (see below), whose sum is σ = 101253027456. Its totient is φ = 6850272000.

The previous prime is 30612264517. The next prime is 30612264577. The reversal of 30612264540 is 4546221603.

It is a super-2 number, since 2×30612264540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25686 + ... + 248765.

It is an arithmetic number, because the mean of its divisors is an integer number (703146024).

Almost surely, 2^30612264540 is an apocalyptic number.

30612264540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30612264540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50626513728).

30612264540 is an abundant number, since it is smaller than the sum of its proper divisors (70640762916).

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

30612264540 is a wasteful number, since it uses less digits than its factorization.

30612264540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274500 (or 274485 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 30612264540 in words is "thirty billion, six hundred twelve million, two hundred sixty-four thousand, five hundred forty".