40702563540 has 144 divisors (see below), whose sum is σ = 125685705600. Its totient is φ = 10659306240.

The previous prime is 40702563527. The next prime is 40702563563. The reversal of 40702563540 is 4536520704.

40702563540 is a `hidden beast` number, since 40 + 7 + 0 + 2 + 563 + 54 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40702563495 and 40702563504.

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 47 ways as a sum of consecutive naturals, for example, 7979911 + ... + 7985009.

It is an arithmetic number, because the mean of its divisors is an integer number (872817400).

Almost surely, 2^40702563540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40702563540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62842852800).

40702563540 is an abundant number, since it is smaller than the sum of its proper divisors (84983142060).

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

40702563540 is a wasteful number, since it uses less digits than its factorization.

40702563540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 40702563540 in words is "forty billion, seven hundred two million, five hundred sixty-three thousand, five hundred forty".