30476040 has 192 divisors, whose sum is σ = 109330560. Its totient is φ = 6773760.

The previous prime is 30476021. The next prime is 30476059. The reversal of 30476040 is 4067403.

30476040 = 10² + 11² + ... + 450².

It is an interprime number because it is at equal distance from previous prime (30476021) and next prime (30476059).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30476040.

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, 417444 + ... + 417516.

It is an arithmetic number, because the mean of its divisors is an integer number (569430).

Almost surely, 2^30476040 is an apocalyptic number.

30476040 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 30476040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54665280).

30476040 is an abundant number, since it is smaller than the sum of its proper divisors (78854520).

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

30476040 is a wasteful number, since it uses less digits than its factorization.

30476040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 30476040 is about 5520.5108459272. The cubic root of 30476040 is about 312.3581521565.

The spelling of 30476040 in words is "thirty million, four hundred seventy-six thousand, forty".