40442406151 has 12 divisors (see below), whose sum is σ = 47108443312. Its totient is φ = 34010847936.

The previous prime is 40442406143. The next prime is 40442406197. The reversal of 40442406151 is 15160424404.

It is not a de Polignac number, because 40442406151 - 2³ = 40442406143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442406131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1008726 + ... + 1048051.

Almost surely, 2^40442406151 is an apocalyptic number.

40442406151 is a deficient number, since it is larger than the sum of its proper divisors (6666037161).

40442406151 is an equidigital number, since it uses as much as digits as its factorization.

40442406151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056890 (or 2056837 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 40442406151 in words is "forty billion, four hundred forty-two million, four hundred six thousand, one hundred fifty-one".