351002040 has 128 divisors (see below), whose sum is σ = 1082030400. Its totient is φ = 91054080.

The previous prime is 351002039. The next prime is 351002053. The reversal of 351002040 is 40200153.

351002040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456320 + ... + 1456560.

Almost surely, 2^351002040 is an apocalyptic number.

351002040 is a gapful number since it is divisible by the number (30) 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 351002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541015200).

351002040 is an abundant number, since it is smaller than the sum of its proper divisors (731028360).

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

351002040 is a wasteful number, since it uses less digits than its factorization.

351002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 351002040 is about 18735.0484386884. The cubic root of 351002040 is about 705.4017729013.

Adding to 351002040 its reverse (40200153), we get a palindrome (391202193).

The spelling of 351002040 in words is "three hundred fifty-one million, two thousand, forty".