1430040744 has 160 divisors (see below), whose sum is σ = 4389105600. Its totient is φ = 431412480.

The previous prime is 1430040743. The next prime is 1430040767. The reversal of 1430040744 is 4470400341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430040743) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3128964 + ... + 3129420.

It is an arithmetic number, because the mean of its divisors is an integer number (27431910).

Almost surely, 2^1430040744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430040744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194552800).

1430040744 is an abundant number, since it is smaller than the sum of its proper divisors (2959064856).

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

1430040744 is a wasteful number, since it uses less digits than its factorization.

1430040744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1430040744 is about 37815.8795217036. The cubic root of 1430040744 is about 1126.6338712643.

The spelling of 1430040744 in words is "one billion, four hundred thirty million, forty thousand, seven hundred forty-four".