46151640 has 128 divisors (see below), whose sum is σ = 155404800. Its totient is φ = 12182400.

The previous prime is 46151587. The next prime is 46151659. The reversal of 46151640 is 4615164.

46151640 is a `hidden beast` number, since 4 + 6 + 15 + 1 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162939 + ... + 163221.

It is an arithmetic number, because the mean of its divisors is an integer number (1214100).

Almost surely, 2^46151640 is an apocalyptic number.

46151640 is a gapful number since it is divisible by the number (40) 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 46151640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77702400).

46151640 is an abundant number, since it is smaller than the sum of its proper divisors (109253160).

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

46151640 is a wasteful number, since it uses less digits than its factorization.

46151640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 46151640 is about 6793.4998344005. The cubic root of 46151640 is about 358.6980750968.

The spelling of 46151640 in words is "forty-six million, one hundred fifty-one thousand, six hundred forty".