45938340 has 120 divisors (see below), whose sum is σ = 164738112. Its totient is φ = 10497600.

The previous prime is 45938303. The next prime is 45938351. The reversal of 45938340 is 4383954.

It is a super-2 number, since 2×45938340² = 4220662163911200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45938295 and 45938304.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9315 + ... + 13365.

Almost surely, 2^45938340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45938340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82369056).

45938340 is an abundant number, since it is smaller than the sum of its proper divisors (118799772).

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

45938340 is a wasteful number, since it uses less digits than its factorization.

45938340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 45938340 is about 6777.7828233132. The cubic root of 45938340 is about 358.1446207830.

The spelling of 45938340 in words is "forty-five million, nine hundred thirty-eight thousand, three hundred forty".