1401620548 has 12 divisors (see below), whose sum is σ = 2453875200. Its totient is φ = 700513352.

The previous prime is 1401620543. The next prime is 1401620593. The reversal of 1401620548 is 8450261041.

It is not an unprimeable number, because it can be changed into a prime (1401620543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63436 + ... + 82627.

It is an arithmetic number, because the mean of its divisors is an integer number (204489600).

Almost surely, 2^1401620548 is an apocalyptic number.

It is an amenable number.

1401620548 is a deficient number, since it is larger than the sum of its proper divisors (1052254652).

1401620548 is a wasteful number, since it uses less digits than its factorization.

1401620548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148466 (or 148464 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1401620548 is about 37438.2230881755. The cubic root of 1401620548 is about 1119.1204159108.

Adding to 1401620548 its reverse (8450261041), we get a palindrome (9851881589).

The spelling of 1401620548 in words is "one billion, four hundred one million, six hundred twenty thousand, five hundred forty-eight".