46531380 has 240 divisors, whose sum is σ = 169404480. Its totient is φ = 9483264.

The previous prime is 46531379. The next prime is 46531393. The reversal of 46531380 is 8313564.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2449011 + ... + 2449029.

It is an arithmetic number, because the mean of its divisors is an integer number (705852).

Almost surely, 2^46531380 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 46531380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84702240).

46531380 is an abundant number, since it is smaller than the sum of its proper divisors (122873100).

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

46531380 is a wasteful number, since it uses less digits than its factorization.

46531380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 46531380 is about 6821.3913536756. The cubic root of 46531380 is about 359.6791895064.

The spelling of 46531380 in words is "forty-six million, five hundred thirty-one thousand, three hundred eighty".