42470435387 has 16 divisors (see below), whose sum is σ = 46659072000. Its totient is φ = 38477856384.

The previous prime is 42470435363. The next prime is 42470435389. The reversal of 42470435387 is 78353407424.

It is not a de Polignac number, because 42470435387 - 2⁸ = 42470435131 is a prime.

It is a super-2 number, since 2×42470435387² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42470435389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3581414 + ... + 3593252.

It is an arithmetic number, because the mean of its divisors is an integer number (2916192000).

Almost surely, 2^42470435387 is an apocalyptic number.

42470435387 is a deficient number, since it is larger than the sum of its proper divisors (4188636613).

42470435387 is a wasteful number, since it uses less digits than its factorization.

42470435387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20090.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 42470435387 in words is "forty-two billion, four hundred seventy million, four hundred thirty-five thousand, three hundred eighty-seven".