1900499652 has 96 divisors (see below), whose sum is σ = 5103423360. Its totient is φ = 611245440.

The previous prime is 1900499651. The next prime is 1900499663. The reversal of 1900499652 is 2569940091.

It is a super-2 number, since 2×1900499652² = 7223797854504242208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900499598 and 1900499607.

It is not an unprimeable number, because it can be changed into a prime (1900499651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346443 + ... + 351885.

It is an arithmetic number, because the mean of its divisors is an integer number (53160660).

Almost surely, 2^1900499652 is an apocalyptic number.

1900499652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1900499652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551711680).

1900499652 is an abundant number, since it is smaller than the sum of its proper divisors (3202923708).

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

1900499652 is a wasteful number, since it uses less digits than its factorization.

1900499652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 1900499652 is about 43594.7204601658. The cubic root of 1900499652 is about 1238.6708903154.

The spelling of 1900499652 in words is "one billion, nine hundred million, four hundred ninety-nine thousand, six hundred fifty-two".