40045743952 has 40 divisors (see below), whose sum is σ = 80116515072. Its totient is φ = 19370918400.

The previous prime is 40045743943. The next prime is 40045743961. The reversal of 40045743952 is 25934754004.

It is an interprime number because it is at equal distance from previous prime (40045743943) and next prime (40045743961).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40045743899 and 40045743908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854723 + ... + 1876189.

Almost surely, 2^40045743952 is an apocalyptic number.

It is an amenable number.

40045743952 is an abundant number, since it is smaller than the sum of its proper divisors (40070771120).

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

40045743952 is a wasteful number, since it uses less digits than its factorization.

40045743952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25267 (or 25261 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 40045743952 in words is "forty billion, forty-five million, seven hundred forty-three thousand, nine hundred fifty-two".