46135980 has 144 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 11171520.

The previous prime is 46135963. The next prime is 46135981. The reversal of 46135980 is 8953164.

46135980 is a `hidden beast` number, since 4 + 61 + 3 + 598 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (46135981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53029 + ... + 53891.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^46135980 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 46135980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79252992).

46135980 is an abundant number, since it is smaller than the sum of its proper divisors (112370004).

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

46135980 is a wasteful number, since it uses less digits than its factorization.

46135980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 46135980 is about 6792.3471642725. The cubic root of 46135980 is about 358.6574998156.

The spelling of 46135980 in words is "forty-six million, one hundred thirty-five thousand, nine hundred eighty".