46401564 has 36 divisors (see below), whose sum is σ = 119011592. Its totient is φ = 14060640.

The previous prime is 46401559. The next prime is 46401569. The reversal of 46401564 is 46510464.

It is an interprime number because it is at equal distance from previous prime (46401559) and next prime (46401569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46401569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14527 + ... + 17430.

Almost surely, 2^46401564 is an apocalyptic number.

46401564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

46401564 is an abundant number, since it is smaller than the sum of its proper divisors (72610028).

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

46401564 is a wasteful number, since it uses less digits than its factorization.

46401564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31986 (or 31973 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 46401564 is about 6811.8693469561. The cubic root of 46401564 is about 359.3443931993.

Subtracting 46401564 from its reverse (46510464), we obtain a square (108900 = 330²).

The spelling of 46401564 in words is "forty-six million, four hundred one thousand, five hundred sixty-four".