40042764582 has 16 divisors (see below), whose sum is σ = 80911154352. Its totient is φ = 13209984000.

The previous prime is 40042764571. The next prime is 40042764589. The reversal of 40042764582 is 28546724004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042764589) 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, 34400419 + ... + 34401582.

It is an arithmetic number, because the mean of its divisors is an integer number (5056947147).

Almost surely, 2^40042764582 is an apocalyptic number.

40042764582 is an abundant number, since it is smaller than the sum of its proper divisors (40868389770).

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

40042764582 is a wasteful number, since it uses less digits than its factorization.

40042764582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68802103.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 40042764582 in words is "forty billion, forty-two million, seven hundred sixty-four thousand, five hundred eighty-two".