46831440 has 40 divisors (see below), whose sum is σ = 145178208. Its totient is φ = 12488320.

The previous prime is 46831423. The next prime is 46831441. The reversal of 46831440 is 4413864.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 46831398 and 46831407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46831441) 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, 97326 + ... + 97805.

Almost surely, 2^46831440 is an apocalyptic number.

46831440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46831440 is an abundant number, since it is smaller than the sum of its proper divisors (98346768).

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

46831440 is a wasteful number, since it uses less digits than its factorization.

46831440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195147 (or 195141 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 46831440 is about 6843.3500568070. The cubic root of 46831440 is about 360.4506701558.

The spelling of 46831440 in words is "forty-six million, eight hundred thirty-one thousand, four hundred forty".