40090621727520 has 1536 divisors, whose sum is σ = 178297054709760. Its totient is φ = 8186851491840.

The previous prime is 40090621727413. The next prime is 40090621727567. The reversal of 40090621727520 is 2572712609004.

40090621727520 is a `hidden beast` number, since 4 + 0 + 0 + 90 + 6 + 2 + 17 + 27 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 2807262780 + ... + 2807277060.

It is an arithmetic number, because the mean of its divisors is an integer number (116078811660).

Almost surely, 2^{40090621727520} is an apocalyptic number.

40090621727520 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 40090621727520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89148527354880).

40090621727520 is an abundant number, since it is smaller than the sum of its proper divisors (138206432982240).

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

40090621727520 is a wasteful number, since it uses less digits than its factorization.

40090621727520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555 (or 14541 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 40090621727520 in words is "forty trillion, ninety billion, six hundred twenty-one million, seven hundred twenty-seven thousand, five hundred twenty".