30546040 has 64 divisors (see below), whose sum is σ = 79257600. Its totient is φ = 10378368.

The previous prime is 30546031. The next prime is 30546049. The reversal of 30546040 is 4064503.

It is an interprime number because it is at equal distance from previous prime (30546031) and next prime (30546049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30546049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35131 + ... + 35989.

It is an arithmetic number, because the mean of its divisors is an integer number (1238400).

Almost surely, 2^30546040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30546040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39628800).

30546040 is an abundant number, since it is smaller than the sum of its proper divisors (48711560).

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

30546040 is a wasteful number, since it uses less digits than its factorization.

30546040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30546040 is about 5526.8472025197. The cubic root of 30546040 is about 312.5971196804.

The spelling of 30546040 in words is "thirty million, five hundred forty-six thousand, forty".