1046540440 has 32 divisors (see below), whose sum is σ = 2568782160. Its totient is φ = 380560000.

The previous prime is 1046540437. The next prime is 1046540459. The reversal of 1046540440 is 440456401.

It is a junction number, because it is equal to n+sod(n) for n = 1046540399 and 1046540408.

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, 1188811 + ... + 1189690.

Almost surely, 2^1046540440 is an apocalyptic number.

1046540440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1046540440 is an abundant number, since it is smaller than the sum of its proper divisors (1522241720).

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

1046540440 is a wasteful number, since it uses less digits than its factorization.

1046540440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378523 (or 2378519 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1046540440 is about 32350.2772785644. The cubic root of 1046540440 is about 1015.2788478927.

Adding to 1046540440 its reverse (440456401), we get a palindrome (1486996841).

It can be divided in two parts, 10465 and 40440, that added together give a palindrome (50905).

The spelling of 1046540440 in words is "one billion, forty-six million, five hundred forty thousand, four hundred forty".