46158540 has 24 divisors (see below), whose sum is σ = 129244080. Its totient is φ = 12308928.

The previous prime is 46158533. The next prime is 46158583. The reversal of 46158540 is 4585164.

It is a super-2 number, since 2×46158540² = 4261221629863200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384595 + ... + 384714.

It is an arithmetic number, because the mean of its divisors is an integer number (5385170).

Almost surely, 2^46158540 is an apocalyptic number.

It is an amenable number.

46158540 is an abundant number, since it is smaller than the sum of its proper divisors (83085540).

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

46158540 is a wasteful number, since it uses less digits than its factorization.

46158540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769321 (or 769319 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 46158540 is about 6794.0076538079. The cubic root of 46158540 is about 358.7159501812.

The spelling of 46158540 in words is "forty-six million, one hundred fifty-eight thousand, five hundred forty".