30400718007 has 32 divisors (see below), whose sum is σ = 45381659904. Its totient is φ = 17941996800.

The previous prime is 30400717967. The next prime is 30400718011. The reversal of 30400718007 is 70081700403.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-30400718007 is a prime.

It is a super-2 number, since 2×30400718007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400718207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719553 + ... + 760629.

It is an arithmetic number, because the mean of its divisors is an integer number (1418176872).

Almost surely, 2^30400718007 is an apocalyptic number.

30400718007 is a deficient number, since it is larger than the sum of its proper divisors (14980941897).

30400718007 is a wasteful number, since it uses less digits than its factorization.

30400718007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41679.

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 30400718007 in words is "thirty billion, four hundred million, seven hundred eighteen thousand, seven".