1926498140 has 48 divisors (see below), whose sum is σ = 4895577792. Its totient is φ = 621659136.

The previous prime is 1926498109. The next prime is 1926498151. The reversal of 1926498140 is 418946291.

It is a super-2 number, since 2×1926498140² = 7422790166846919200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1926498091 and 1926498100.

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, 402347 + ... + 407106.

It is an arithmetic number, because the mean of its divisors is an integer number (101991204).

Almost surely, 2^1926498140 is an apocalyptic number.

1926498140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1926498140 is an abundant number, since it is smaller than the sum of its proper divisors (2969079652).

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

1926498140 is a wasteful number, since it uses less digits than its factorization.

1926498140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809486 (or 809484 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1926498140 is about 43891.8915062908. The cubic root of 1926498140 is about 1244.2935923708.

The spelling of 1926498140 in words is "one billion, nine hundred twenty-six million, four hundred ninety-eight thousand, one hundred forty".