40491500160 has 192 divisors, whose sum is σ = 131884996320. Its totient is φ = 10566887424.

The previous prime is 40491500129. The next prime is 40491500171. The reversal of 40491500160 is 6100519404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4236507 + ... + 4246053.

Almost surely, 2^40491500160 is an apocalyptic number.

40491500160 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 40491500160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65942498160).

40491500160 is an abundant number, since it is smaller than the sum of its proper divisors (91393496160).

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

40491500160 is an equidigital number, since it uses as much as digits as its factorization.

40491500160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663 (or 9604 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 40491500160 in words is "forty billion, four hundred ninety-one million, five hundred thousand, one hundred sixty".