46157940 has 72 divisors (see below), whose sum is σ = 140605920. Its totient is φ = 12256704.

The previous prime is 46157933. The next prime is 46157959. The reversal of 46157940 is 4975164.

46157940 is a `hidden beast` number, since 46 + 1 + 579 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 46157895 and 46157904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62091 + ... + 62829.

It is an arithmetic number, because the mean of its divisors is an integer number (1952860).

Almost surely, 2^46157940 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 46157940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70302960).

46157940 is an abundant number, since it is smaller than the sum of its proper divisors (94447980).

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

46157940 is a wasteful number, since it uses less digits than its factorization.

46157940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 46157940 is about 6793.9634971054. The cubic root of 46157940 is about 358.7143958968.

The spelling of 46157940 in words is "forty-six million, one hundred fifty-seven thousand, nine hundred forty".