1474651440 has 160 divisors (see below), whose sum is σ = 5300375040. Its totient is φ = 376130304.

The previous prime is 1474651403. The next prime is 1474651459. The reversal of 1474651440 is 441564741.

It is a happy number.

1474651440 is a `hidden beast` number, since 147 + 465 + 14 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1474651395 and 1474651404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34839 + ... + 64521.

It is an arithmetic number, because the mean of its divisors is an integer number (33127344).

Almost surely, 2^1474651440 is an apocalyptic number.

1474651440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1474651440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2650187520).

1474651440 is an abundant number, since it is smaller than the sum of its proper divisors (3825723600).

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

1474651440 is a wasteful number, since it uses less digits than its factorization.

1474651440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29728 (or 29716 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 1474651440 is about 38401.1906065424. The cubic root of 1474651440 is about 1138.2293843177.

The spelling of 1474651440 in words is "one billion, four hundred seventy-four million, six hundred fifty-one thousand, four hundred forty".