40161372000 has 96 divisors (see below), whose sum is σ = 131568693984. Its totient is φ = 10709696000.

The previous prime is 40161371959. The next prime is 40161372091. The reversal of 40161372000 is 27316104.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×40161372000³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661391 + ... + 1685390.

It is an arithmetic number, because the mean of its divisors is an integer number (1370507229).

Almost surely, 2^40161372000 is an apocalyptic number.

40161372000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40161372000 is an abundant number, since it is smaller than the sum of its proper divisors (91407321984).

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

40161372000 is a wasteful number, since it uses less digits than its factorization.

40161372000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346809 (or 3346791 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 40161372000 its reverse (27316104), we get a palindrome (40188688104).

The spelling of 40161372000 in words is "forty billion, one hundred sixty-one million, three hundred seventy-two thousand".