1002902472 has 320 divisors, whose sum is σ = 3366316800. Its totient is φ = 274959360.

The previous prime is 1002902449. The next prime is 1002902491. The reversal of 1002902472 is 2742092001.

1002902472 is a `hidden beast` number, since 100 + 2 + 90 + 2 + 472 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7320388 + ... + 7320524.

It is an arithmetic number, because the mean of its divisors is an integer number (10519740).

Almost surely, 2^1002902472 is an apocalyptic number.

1002902472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002902472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683158400).

1002902472 is an abundant number, since it is smaller than the sum of its proper divisors (2363414328).

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

1002902472 is a wasteful number, since it uses less digits than its factorization.

1002902472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1002902472 is about 31668.6354616046. The cubic root of 1002902472 is about 1000.9665561349.

Adding to 1002902472 its reverse (2742092001), we get a palindrome (3744994473).

The spelling of 1002902472 in words is "one billion, two million, nine hundred two thousand, four hundred seventy-two".