40043395392 has 1008 divisors, whose sum is σ = 151931437056. Its totient is φ = 9093427200.

The previous prime is 40043395367. The next prime is 40043395397. The reversal of 40043395392 is 29359334004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043395397) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 851987113 + ... + 851987159.

It is an arithmetic number, because the mean of its divisors is an integer number (150725632).

Almost surely, 2^40043395392 is an apocalyptic number.

40043395392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40043395392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75965718528).

40043395392 is an abundant number, since it is smaller than the sum of its proper divisors (111888041664).

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

40043395392 is a wasteful number, since it uses less digits than its factorization.

40043395392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 40043395392 in words is "forty billion, forty-three million, three hundred ninety-five thousand, three hundred ninety-two".