30413540 has 24 divisors (see below), whose sum is σ = 64180032. Its totient is φ = 12106080.

The previous prime is 30413533. The next prime is 30413557. The reversal of 30413540 is 4531403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617 + ... + 7823.

It is an arithmetic number, because the mean of its divisors is an integer number (2674168).

Almost surely, 2^30413540 is an apocalyptic number.

It is an amenable number.

30413540 is an abundant number, since it is smaller than the sum of its proper divisors (33766492).

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

30413540 is a wasteful number, since it uses less digits than its factorization.

30413540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30413540 is about 5514.8472326983. The cubic root of 30413540 is about 312.1444788885.

Adding to 30413540 its reverse (4531403), we get a palindrome (34944943).

The spelling of 30413540 in words is "thirty million, four hundred thirteen thousand, five hundred forty".