1401550434 has 24 divisors (see below), whose sum is σ = 3101304960. Its totient is φ = 457243128.

The previous prime is 1401550427. The next prime is 1401550439. The reversal of 1401550434 is 4340551041.

It is a happy number.

1401550434 is a `hidden beast` number, since 140 + 15 + 504 + 3 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1401550398 and 1401550407.

It is not an unprimeable number, because it can be changed into a prime (1401550439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 827494 + ... + 829185.

It is an arithmetic number, because the mean of its divisors is an integer number (129221040).

Almost surely, 2^1401550434 is an apocalyptic number.

1401550434 is an abundant number, since it is smaller than the sum of its proper divisors (1699754526).

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

1401550434 is a wasteful number, since it uses less digits than its factorization.

1401550434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656734 (or 1656731 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1401550434 is about 37437.2866805275. The cubic root of 1401550434 is about 1119.1017548171.

The spelling of 1401550434 in words is "one billion, four hundred one million, five hundred fifty thousand, four hundred thirty-four".