40453542320 has 40 divisors (see below), whose sum is σ = 94070537136. Its totient is φ = 16178655488.

The previous prime is 40453542293. The next prime is 40453542331. The reversal of 40453542320 is 2324535404.

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

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, 465854 + ... + 545826.

Almost surely, 2^40453542320 is an apocalyptic number.

40453542320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40453542320 is an abundant number, since it is smaller than the sum of its proper divisors (53616994816).

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

40453542320 is a wasteful number, since it uses less digits than its factorization.

40453542320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86309 (or 86303 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 40453542320 in words is "forty billion, four hundred fifty-three million, five hundred forty-two thousand, three hundred twenty".