1550140004 has 24 divisors (see below), whose sum is σ = 3263453760. Its totient is φ = 629379936.

The previous prime is 1550139979. The next prime is 1550140037. The reversal of 1550140004 is 4000410551.

It is a super-2 number, since 2×1550140004² = 4805868064002240032, which contains 22 as substring.

It is an unprimeable number.

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, 1456367 + ... + 1457430.

It is an arithmetic number, because the mean of its divisors is an integer number (135977240).

Almost surely, 2^1550140004 is an apocalyptic number.

1550140004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1550140004 is an abundant number, since it is smaller than the sum of its proper divisors (1713313756).

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

1550140004 is a wasteful number, since it uses less digits than its factorization.

1550140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913827 (or 2913825 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1550140004 is about 39371.8173824882. The cubic root of 1550140004 is about 1157.3293704855.

Adding to 1550140004 its reverse (4000410551), we get a palindrome (5550550555).

The spelling of 1550140004 in words is "one billion, five hundred fifty million, one hundred forty thousand, four".