46918840 has 32 divisors (see below), whose sum is σ = 105763680. Its totient is φ = 18732672.

The previous prime is 46918799. The next prime is 46918867. The reversal of 46918840 is 4881964.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 46918793 and 46918802.

It is a congruent number.

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, 38074 + ... + 39286.

It is an arithmetic number, because the mean of its divisors is an integer number (3305115).

Almost surely, 2^46918840 is an apocalyptic number.

46918840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46918840 is an abundant number, since it is smaller than the sum of its proper divisors (58844840).

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

46918840 is a wasteful number, since it uses less digits than its factorization.

46918840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 46918840 is about 6849.7328415056. The cubic root of 46918840 is about 360.6747632789.

It can be divided in two parts, 4691 and 8840, that added together give a palindrome (13531).

The spelling of 46918840 in words is "forty-six million, nine hundred eighteen thousand, eight hundred forty".