85351440038 has 4 divisors (see below), whose sum is σ = 128027160060. Its totient is φ = 42675720018.

The previous prime is 85351440019. The next prime is 85351440061. The reversal of 85351440038 is 83004415358.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 85351439977 and 85351440004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21337860008 + ... + 21337860011.

It is an arithmetic number, because the mean of its divisors is an integer number (32006790015).

Almost surely, 2^85351440038 is an apocalyptic number.

85351440038 is a deficient number, since it is larger than the sum of its proper divisors (42675720022).

85351440038 is a wasteful number, since it uses less digits than its factorization.

85351440038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42675720021.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 85351440038 in words is "eighty-five billion, three hundred fifty-one million, four hundred forty thousand, thirty-eight".