45407340 has 288 divisors, whose sum is σ = 169827840. Its totient is φ = 9676800.

The previous prime is 45407339. The next prime is 45407347. The reversal of 45407340 is 4370454.

It is not an unprimeable number, because it can be changed into a prime (45407347) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 639505 + ... + 639575.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^45407340 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 45407340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

45407340 is an abundant number, since it is smaller than the sum of its proper divisors (124420500).

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

45407340 is a wasteful number, since it uses less digits than its factorization.

45407340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 45407340 is about 6738.4968650286. The cubic root of 45407340 is about 356.7593416070.

Adding to 45407340 its reverse (4370454), we get a palindrome (49777794).

The spelling of 45407340 in words is "forty-five million, four hundred seven thousand, three hundred forty".