40961258480 has 80 divisors (see below), whose sum is σ = 97956882144. Its totient is φ = 15917552640.

The previous prime is 40961258473. The next prime is 40961258519. The reversal of 40961258480 is 8485216904.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2011550 + ... + 2031810.

Almost surely, 2^40961258480 is an apocalyptic number.

40961258480 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 40961258480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48978441072).

40961258480 is an abundant number, since it is smaller than the sum of its proper divisors (56995623664).

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

40961258480 is a wasteful number, since it uses less digits than its factorization.

40961258480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994 (or 20988 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 40961258480 in words is "forty billion, nine hundred sixty-one million, two hundred fifty-eight thousand, four hundred eighty".