40420762 has 8 divisors (see below), whose sum is σ = 60945876. Its totient is φ = 20105472.

The previous prime is 40420753. The next prime is 40420763. The reversal of 40420762 is 26702404.

It can be written as a sum of positive squares in 2 ways, for example, as 34703881 + 5716881 = 5891^2 + 2391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40420763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51973 + ... + 52744.

Almost surely, 2^40420762 is an apocalyptic number.

40420762 is a deficient number, since it is larger than the sum of its proper divisors (20525114).

40420762 is a wasteful number, since it uses less digits than its factorization.

40420762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104912.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40420762 is about 6357.7324574096. The cubic root of 40420762 is about 343.1901639116.

The spelling of 40420762 in words is "forty million, four hundred twenty thousand, seven hundred sixty-two".