1950601840 has 80 divisors (see below), whose sum is σ = 5107101696. Its totient is φ = 686419200.

The previous prime is 1950601817. The next prime is 1950601847. The reversal of 1950601840 is 481060591.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1950601840² = 7609695076422771200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1950601796 and 1950601805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950601847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8472 + ... + 63031.

Almost surely, 2^1950601840 is an apocalyptic number.

1950601840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1950601840 is an abundant number, since it is smaller than the sum of its proper divisors (3156499856).

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

1950601840 is a wasteful number, since it uses less digits than its factorization.

1950601840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71558 (or 71552 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1950601840 is about 44165.6183020231. The cubic root of 1950601840 is about 1249.4614939089.

The spelling of 1950601840 in words is "one billion, nine hundred fifty million, six hundred one thousand, eight hundred forty".