40780209762 has 12 divisors (see below), whose sum is σ = 88357121190. Its totient is φ = 13593403248.

The previous prime is 40780209737. The next prime is 40780209787. The reversal of 40780209762 is 26790208704.

40780209762 is a `hidden beast` number, since 407 + 80 + 20 + 97 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (40780209737) and next prime (40780209787).

It can be written as a sum of positive squares in only one way, i.e., 28227024081 + 12553185681 = 168009^2 + 112041^2 .

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 5 ways as a sum of consecutive naturals, for example, 1132783587 + ... + 1132783622.

Almost surely, 2^40780209762 is an apocalyptic number.

40780209762 is an abundant number, since it is smaller than the sum of its proper divisors (47576911428).

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

40780209762 is a wasteful number, since it uses less digits than its factorization.

40780209762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265567217 (or 2265567214 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 40780209762 in words is "forty billion, seven hundred eighty million, two hundred nine thousand, seven hundred sixty-two".