4007078394772 has 12 divisors (see below), whose sum is σ = 7076721019060. Its totient is φ = 1985158103616.

The previous prime is 4007078394763. The next prime is 4007078394793. The reversal of 4007078394772 is 2774938707004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3486420902416 + 520657492356 = 1867196^2 + 721566^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595272953 + ... + 4595273824.

Almost surely, 2^{4007078394772} is an apocalyptic number.

It is an amenable number.

4007078394772 is a deficient number, since it is larger than the sum of its proper divisors (3069642624288).

4007078394772 is a wasteful number, since it uses less digits than its factorization.

4007078394772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190546890 (or 9190546888 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 58.

The spelling of 4007078394772 in words is "four trillion, seven billion, seventy-eight million, three hundred ninety-four thousand, seven hundred seventy-two".