46351440 has 200 divisors, whose sum is σ = 168524928. Its totient is φ = 11784960.

The previous prime is 46351429. The next prime is 46351441. The reversal of 46351440 is 4415364.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46351441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 148885 + ... + 149195.

Almost surely, 2^46351440 is an apocalyptic number.

46351440 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 46351440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84262464).

46351440 is an abundant number, since it is smaller than the sum of its proper divisors (122173488).

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

46351440 is a wasteful number, since it uses less digits than its factorization.

46351440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 46351440 is about 6808.1891865605. The cubic root of 46351440 is about 359.2149559830.

The spelling of 46351440 in words is "forty-six million, three hundred fifty-one thousand, four hundred forty".