1421457350 has 24 divisors (see below), whose sum is σ = 2693800800. Its totient is φ = 557853920.

The previous prime is 1421457347. The next prime is 1421457361. The reversal of 1421457350 is 537541241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265550 + ... + 270849.

It is an arithmetic number, because the mean of its divisors is an integer number (112241700).

Almost surely, 2^1421457350 is an apocalyptic number.

1421457350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421457350 is a deficient number, since it is larger than the sum of its proper divisors (1272343450).

1421457350 is a wasteful number, since it uses less digits than its factorization.

1421457350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536464 (or 536459 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1421457350 is about 37702.2194306913. The cubic root of 1421457350 is about 1124.3752514753.

Adding to 1421457350 its reverse (537541241), we get a palindrome (1958998591).

The spelling of 1421457350 in words is "one billion, four hundred twenty-one million, four hundred fifty-seven thousand, three hundred fifty".