46402440 has 128 divisors (see below), whose sum is σ = 163503360. Its totient is φ = 10312704.

The previous prime is 46402429. The next prime is 46402457. The reversal of 46402440 is 4420464.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 46402440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30334 + ... + 31826.

It is an arithmetic number, because the mean of its divisors is an integer number (1277370).

Almost surely, 2^46402440 is an apocalyptic number.

46402440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46402440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81751680).

46402440 is an abundant number, since it is smaller than the sum of its proper divisors (117100920).

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

46402440 is a wasteful number, since it uses less digits than its factorization.

46402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 46402440 is about 6811.9336461830. The cubic root of 46402440 is about 359.3466545003.

The spelling of 46402440 in words is "forty-six million, four hundred two thousand, four hundred forty".