1826505140 has 24 divisors (see below), whose sum is σ = 3836464800. Its totient is φ = 730448928.

The previous prime is 1826505119. The next prime is 1826505167. The reversal of 1826505140 is 415056281.

It is a super-2 number, since 2×1826505140² = 6672242052892839200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1826505097 and 1826505106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175811 + ... + 185909.

It is an arithmetic number, because the mean of its divisors is an integer number (159852700).

Almost surely, 2^1826505140 is an apocalyptic number.

1826505140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1826505140 is an abundant number, since it is smaller than the sum of its proper divisors (2009959660).

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

1826505140 is a wasteful number, since it uses less digits than its factorization.

1826505140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19151 (or 19149 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1826505140 is about 42737.6314271158. The cubic root of 1826505140 is about 1222.3820565564.

The spelling of 1826505140 in words is "one billion, eight hundred twenty-six million, five hundred five thousand, one hundred forty".