45203310640 has 40 divisors (see below), whose sum is σ = 105899994288. Its totient is φ = 17943294720.

The previous prime is 45203310617. The next prime is 45203310673. The reversal of 45203310640 is 4601330254.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 45203310599 and 45203310608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146167 + ... + 2167126.

Almost surely, 2^45203310640 is an apocalyptic number.

45203310640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45203310640 is an abundant number, since it is smaller than the sum of its proper divisors (60696683648).

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

45203310640 is a wasteful number, since it uses less digits than its factorization.

45203310640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313437 (or 4313431 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 45203310640 its reverse (4601330254), we get a palindrome (49804640894).

The spelling of 45203310640 in words is "forty-five billion, two hundred three million, three hundred ten thousand, six hundred forty".