30012262402440 has 64 divisors (see below), whose sum is σ = 91952463548160. Its totient is φ = 7832987632640.

The previous prime is 30012262402411. The next prime is 30012262402469. The reversal of 30012262402440 is 4420426221003.

It is an interprime number because it is at equal distance from previous prime (30012262402411) and next prime (30012262402469).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30012262402398 and 30012262402407.

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, 2660655921 + ... + 2660667200.

It is an arithmetic number, because the mean of its divisors is an integer number (1436757242940).

Almost surely, 2^{30012262402440} is an apocalyptic number.

30012262402440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30012262402440 is an abundant number, since it is smaller than the sum of its proper divisors (61940201145720).

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

30012262402440 is a wasteful number, since it uses less digits than its factorization.

30012262402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321323182 (or 5321323178 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 30012262402440 its reverse (4420426221003), we get a palindrome (34432688623443).

The spelling of 30012262402440 in words is "thirty trillion, twelve billion, two hundred sixty-two million, four hundred two thousand, four hundred forty".