40997502000 has 1280 divisors, whose sum is σ = 184761507840. Its totient is φ = 8566041600.

The previous prime is 40997501933. The next prime is 40997502023. The reversal of 40997502000 is 20579904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 398033949 + ... + 398034051.

It is an arithmetic number, because the mean of its divisors is an integer number (144344928).

Almost surely, 2^40997502000 is an apocalyptic number.

40997502000 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 40997502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92380753920).

40997502000 is an abundant number, since it is smaller than the sum of its proper divisors (143764005840).

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

40997502000 is a wasteful number, since it uses less digits than its factorization.

40997502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 40997502000 in words is "forty billion, nine hundred ninety-seven million, five hundred two thousand".