40277332432 has 20 divisors (see below), whose sum is σ = 78159094596. Its totient is φ = 20107243520.

The previous prime is 40277332421. The next prime is 40277332439. The reversal of 40277332432 is 23423377204.

It can be written as a sum of positive squares in 2 ways, for example, as 17999978896 + 22277353536 = 134164^2 + 149256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40277332391 and 40277332400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40277332439) 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, 1953343 + ... + 1973854.

Almost surely, 2^40277332432 is an apocalyptic number.

It is an amenable number.

40277332432 is a deficient number, since it is larger than the sum of its proper divisors (37881762164).

40277332432 is a wasteful number, since it uses less digits than its factorization.

40277332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927846 (or 3927840 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 37.

The spelling of 40277332432 in words is "forty billion, two hundred seventy-seven million, three hundred thirty-two thousand, four hundred thirty-two".