40450534000 has 80 divisors (see below), whose sum is σ = 101182273920. Its totient is φ = 15622252800.

The previous prime is 40450533997. The next prime is 40450534027. The reversal of 40450534000 is 43505404.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290712 + ... + 406711.

It is an arithmetic number, because the mean of its divisors is an integer number (1264778424).

Almost surely, 2^40450534000 is an apocalyptic number.

40450534000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40450534000 is an abundant number, since it is smaller than the sum of its proper divisors (60731739920).

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

40450534000 is a wasteful number, since it uses less digits than its factorization.

40450534000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697475 (or 697459 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 40450534000 in words is "forty billion, four hundred fifty million, five hundred thirty-four thousand".