1550473738 has 16 divisors (see below), whose sum is σ = 2553946560. Its totient is φ = 700092000.

The previous prime is 1550473699. The next prime is 1550473817. The reversal of 1550473738 is 8373740551.

It is a junction number, because it is equal to n+sod(n) for n = 1550473694 and 1550473703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230043 + ... + 236686.

It is an arithmetic number, because the mean of its divisors is an integer number (159621660).

Almost surely, 2^1550473738 is an apocalyptic number.

1550473738 is a deficient number, since it is larger than the sum of its proper divisors (1003472822).

1550473738 is a wasteful number, since it uses less digits than its factorization.

1550473738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466893.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 1550473738 is about 39376.0553890305. The cubic root of 1550473738 is about 1157.4124194239.

The spelling of 1550473738 in words is "one billion, five hundred fifty million, four hundred seventy-three thousand, seven hundred thirty-eight".