3966040401432 has 64 divisors (see below), whose sum is σ = 9950339118720. Its totient is φ = 1317317603328.

The previous prime is 3966040401361. The next prime is 3966040401457. The reversal of 3966040401432 is 2341040406693.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25393323 + ... + 25549029.

It is an arithmetic number, because the mean of its divisors is an integer number (155474048730).

Almost surely, 2^{3966040401432} is an apocalyptic number.

It is an amenable number.

3966040401432 is an abundant number, since it is smaller than the sum of its proper divisors (5984298717288).

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

3966040401432 is a wasteful number, since it uses less digits than its factorization.

3966040401432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159480 (or 159476 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 3966040401432 in words is "three trillion, nine hundred sixty-six billion, forty million, four hundred one thousand, four hundred thirty-two".