1047770040 has 32 divisors (see below), whose sum is σ = 3143310480. Its totient is φ = 279405312.

The previous prime is 1047769999. The next prime is 1047770057. The reversal of 1047770040 is 400777401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365589 + ... + 4365828.

Almost surely, 2^1047770040 is an apocalyptic number.

1047770040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047770040 is an abundant number, since it is smaller than the sum of its proper divisors (2095540440).

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

1047770040 is a wasteful number, since it uses less digits than its factorization.

1047770040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731431 (or 8731427 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 1047770040 is about 32369.2761735569. The cubic root of 1047770040 is about 1015.6763156588.

The spelling of 1047770040 in words is "one billion, forty-seven million, seven hundred seventy thousand, forty".