40751505040 has 80 divisors (see below), whose sum is σ = 95926896000. Its totient is φ = 16098518016.

The previous prime is 40751505029. The next prime is 40751505043. The reversal of 40751505040 is 4050515704.

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

It is a junction number, because it is equal to n+sod(n) for n = 40751504993 and 40751505011.

It is not an unprimeable number, because it can be changed into a prime (40751505043) 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, 3116436 + ... + 3129484.

It is an arithmetic number, because the mean of its divisors is an integer number (1199086200).

Almost surely, 2^40751505040 is an apocalyptic number.

40751505040 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 40751505040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47963448000).

40751505040 is an abundant number, since it is smaller than the sum of its proper divisors (55175390960).

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

40751505040 is a wasteful number, since it uses less digits than its factorization.

40751505040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544 (or 13538 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The spelling of 40751505040 in words is "forty billion, seven hundred fifty-one million, five hundred five thousand, forty".