1552400434 has 16 divisors (see below), whose sum is σ = 2639710080. Its totient is φ = 678782160.

The previous prime is 1552400431. The next prime is 1552400471. The reversal of 1552400434 is 4340042551.

It is not an unprimeable number, because it can be changed into a prime (1552400431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570762 + ... + 1571749.

It is an arithmetic number, because the mean of its divisors is an integer number (164981880).

Almost surely, 2^1552400434 is an apocalyptic number.

1552400434 is a deficient number, since it is larger than the sum of its proper divisors (1087309646).

1552400434 is a wasteful number, since it uses less digits than its factorization.

1552400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142545.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1552400434 is about 39400.5131184862. The cubic root of 1552400434 is about 1157.8916404443.

Adding to 1552400434 its reverse (4340042551), we get a palindrome (5892442985).

The spelling of 1552400434 in words is "one billion, five hundred fifty-two million, four hundred thousand, four hundred thirty-four".