85292040 has 64 divisors (see below), whose sum is σ = 256608000. Its totient is φ = 22679552.

The previous prime is 85292033. The next prime is 85292063. The reversal of 85292040 is 4029258.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 85291989 and 85292007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53089 + ... + 54671.

It is an arithmetic number, because the mean of its divisors is an integer number (4009500).

Almost surely, 2^85292040 is an apocalyptic number.

It is an amenable number.

85292040 is an abundant number, since it is smaller than the sum of its proper divisors (171315960).

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

85292040 is a wasteful number, since it uses less digits than its factorization.

85292040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 85292040 is about 9235.3689693482. The cubic root of 85292040 is about 440.1859406955.

The spelling of 85292040 in words is "eighty-five million, two hundred ninety-two thousand, forty".