1552412378 has 16 divisors (see below), whose sum is σ = 2578228704. Its totient is φ = 695109360.

The previous prime is 1552412357. The next prime is 1552412387. The reversal of 1552412378 is 8732142551.

It is a super-2 number, since 2×1552412378² = 4819968382735229768, which contains 22 as substring.

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, 525125 + ... + 528072.

It is an arithmetic number, because the mean of its divisors is an integer number (161139294).

Almost surely, 2^1552412378 is an apocalyptic number.

1552412378 is a deficient number, since it is larger than the sum of its proper divisors (1025816326).

1552412378 is a wasteful number, since it uses less digits than its factorization.

1552412378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053277.

The product of its digits is 67200, while the sum is 38.

The square root of 1552412378 is about 39400.6646898247. The cubic root of 1552412378 is about 1157.8946100008.

The spelling of 1552412378 in words is "one billion, five hundred fifty-two million, four hundred twelve thousand, three hundred seventy-eight".