46372440 has 32 divisors (see below), whose sum is σ = 139117680. Its totient is φ = 12365952.

The previous prime is 46372429. The next prime is 46372441. The reversal of 46372440 is 4427364.

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 = 46372398 and 46372407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46372441) 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, 193099 + ... + 193338.

Almost surely, 2^46372440 is an apocalyptic number.

46372440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46372440 is an abundant number, since it is smaller than the sum of its proper divisors (92745240).

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

46372440 is a wasteful number, since it uses less digits than its factorization.

46372440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386451 (or 386447 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 46372440 is about 6809.7312722309. The cubic root of 46372440 is about 359.2691964779.

The spelling of 46372440 in words is "forty-six million, three hundred seventy-two thousand, four hundred forty".