46395640 has 32 divisors (see below), whose sum is σ = 105223680. Its totient is φ = 18410112.

The previous prime is 46395637. The next prime is 46395649. The reversal of 46395640 is 4659364.

It is a happy number.

It is a super-2 number, since 2×46395640² = 4305110822019200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 46395640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46395649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 9646.

It is an arithmetic number, because the mean of its divisors is an integer number (3288240).

Almost surely, 2^46395640 is an apocalyptic number.

46395640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46395640 is an abundant number, since it is smaller than the sum of its proper divisors (58828040).

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

46395640 is a wasteful number, since it uses less digits than its factorization.

46395640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271 (or 9267 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 46395640 is about 6811.4345038325. The cubic root of 46395640 is about 359.3291002753.

The spelling of 46395640 in words is "forty-six million, three hundred ninety-five thousand, six hundred forty".