40848400840 has 64 divisors (see below), whose sum is σ = 99005276160. Its totient is φ = 15078455040.

The previous prime is 40848400823. The next prime is 40848400841. The reversal of 40848400840 is 4800484804.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 40848400793 and 40848400802.

It is not an unprimeable number, because it can be changed into a prime (40848400841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524857 + ... + 2540983.

It is an arithmetic number, because the mean of its divisors is an integer number (1546957440).

Almost surely, 2^40848400840 is an apocalyptic number.

40848400840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40848400840 is an abundant number, since it is smaller than the sum of its proper divisors (58156875320).

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

40848400840 is a wasteful number, since it uses less digits than its factorization.

40848400840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21022 (or 21018 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 40848400840 in words is "forty billion, eight hundred forty-eight million, four hundred thousand, eight hundred forty".