40220402758 has 16 divisors (see below), whose sum is σ = 60596490240. Its totient is φ = 20021616000.

The previous prime is 40220402723. The next prime is 40220402759. The reversal of 40220402758 is 85720402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220402759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2459208 + ... + 2475508.

It is an arithmetic number, because the mean of its divisors is an integer number (3787280640).

Almost surely, 2^40220402758 is an apocalyptic number.

40220402758 is a deficient number, since it is larger than the sum of its proper divisors (20376087482).

40220402758 is a wasteful number, since it uses less digits than its factorization.

40220402758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21663.

The product of its (nonzero) digits is 35840, while the sum is 34.

The spelling of 40220402758 in words is "forty billion, two hundred twenty million, four hundred two thousand, seven hundred fifty-eight".