1551404010 has 128 divisors (see below), whose sum is σ = 4173120000. Its totient is φ = 366492672.

The previous prime is 1551403993. The next prime is 1551404011. The reversal of 1551404010 is 104041551.

It is not an unprimeable number, because it can be changed into a prime (1551404011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2589691 + ... + 2590289.

It is an arithmetic number, because the mean of its divisors is an integer number (32602500).

Almost surely, 2^1551404010 is an apocalyptic number.

1551404010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551404010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086560000).

1551404010 is an abundant number, since it is smaller than the sum of its proper divisors (2621715990).

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

1551404010 is a wasteful number, since it uses less digits than its factorization.

1551404010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1551404010 is about 39387.8662788428. The cubic root of 1551404010 is about 1157.6438525816.

Adding to 1551404010 its reverse (104041551), we get a palindrome (1655445561).

The spelling of 1551404010 in words is "one billion, five hundred fifty-one million, four hundred four thousand, ten".