1936420040 has 16 divisors (see below), whose sum is σ = 4356945180. Its totient is φ = 774568000.

The previous prime is 1936420033. The next prime is 1936420067. The reversal of 1936420040 is 400246391.

It can be written as a sum of positive squares in 2 ways, for example, as 1936176004 + 244036 = 44002^2 + 494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1936419985 and 1936420012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24205211 + ... + 24205290.

Almost surely, 2^1936420040 is an apocalyptic number.

1936420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1936420040 is an abundant number, since it is smaller than the sum of its proper divisors (2420525140).

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

1936420040 is a wasteful number, since it uses less digits than its factorization.

1936420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48410512 (or 48410508 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1936420040 is about 44004.7729229455. The cubic root of 1936420040 is about 1246.4260665383.

The spelling of 1936420040 in words is "one billion, nine hundred thirty-six million, four hundred twenty thousand, forty".