46906440 has 128 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 10153728.

The previous prime is 46906439. The next prime is 46906463. The reversal of 46906440 is 4460964.

46906440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×46906440² = 4400428226947200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14491 + ... + 17429.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^46906440 is an apocalyptic number.

46906440 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 46906440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

46906440 is an abundant number, since it is smaller than the sum of its proper divisors (122437560).

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

46906440 is a wasteful number, since it uses less digits than its factorization.

46906440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 46906440 is about 6848.8276369025. The cubic root of 46906440 is about 360.6429866968.

The spelling of 46906440 in words is "forty-six million, nine hundred six thousand, four hundred forty".