954345640 has 32 divisors (see below), whose sum is σ = 2151295560. Its totient is φ = 381024000.

The previous prime is 954345619. The next prime is 954345641. The reversal of 954345640 is 46543459.

It can be written as a sum of positive squares in 4 ways, for example, as 938932164 + 15413476 = 30642^2 + 3926^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 954345593 and 954345602.

It is not an unprimeable number, because it can be changed into a prime (954345641) 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, 411 + ... + 43690.

Almost surely, 2^954345640 is an apocalyptic number.

It is an amenable number.

954345640 is an abundant number, since it is smaller than the sum of its proper divisors (1196949920).

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

954345640 is a wasteful number, since it uses less digits than its factorization.

954345640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44653 (or 44649 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 954345640 is about 30892.4851703452. The cubic root of 954345640 is about 984.5442298653.

The spelling of 954345640 in words is "nine hundred fifty-four million, three hundred forty-five thousand, six hundred forty".