2085155742 has 32 divisors (see below), whose sum is σ = 4275469440. Its totient is φ = 677587680.

The previous prime is 2085155729. The next prime is 2085155753. The reversal of 2085155742 is 2475515802.

It is a self number, because there is not a number n which added to its sum of digits gives 2085155742.

It is a congruent number.

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, 132109 + ... + 147047.

It is an arithmetic number, because the mean of its divisors is an integer number (133608420).

Almost surely, 2^2085155742 is an apocalyptic number.

2085155742 is an abundant number, since it is smaller than the sum of its proper divisors (2190313698).

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

2085155742 is a wasteful number, since it uses less digits than its factorization.

2085155742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15528.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 2085155742 is about 45663.5055815911. The cubic root of 2085155742 is about 1277.5546865069.

The spelling of 2085155742 in words is "two billion, eighty-five million, one hundred fifty-five thousand, seven hundred forty-two".