40197312000 has 480 divisors, whose sum is σ = 152444841120. Its totient is φ = 10152345600.

The previous prime is 40197311983. The next prime is 40197312017. The reversal of 40197312000 is 21379104.

It is an interprime number because it is at equal distance from previous prime (40197311983) and next prime (40197312017).

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10942164 + ... + 10945836.

It is an arithmetic number, because the mean of its divisors is an integer number (317593419).

Almost surely, 2^40197312000 is an apocalyptic number.

40197312000 is a gapful number since it is divisible by the number (40) 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 40197312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76222420560).

40197312000 is an abundant number, since it is smaller than the sum of its proper divisors (112247529120).

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

40197312000 is a wasteful number, since it uses less digits than its factorization.

40197312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3702 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 40197312000 in words is "forty billion, one hundred ninety-seven million, three hundred twelve thousand".