40049273880 has 1920 divisors, whose sum is σ = 193071859200. Its totient is φ = 7315660800.

The previous prime is 40049273839. The next prime is 40049273939. The reversal of 40049273880 is 8837294004.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 564074245 + ... + 564074315.

It is an arithmetic number, because the mean of its divisors is an integer number (100558260).

Almost surely, 2^40049273880 is an apocalyptic number.

40049273880 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 40049273880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96535929600).

40049273880 is an abundant number, since it is smaller than the sum of its proper divisors (153022585320).

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

40049273880 is a wasteful number, since it uses less digits than its factorization.

40049273880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 40049273880 in words is "forty billion, forty-nine million, two hundred seventy-three thousand, eight hundred eighty".