1354432320 has 224 divisors, whose sum is σ = 4860950400. Its totient is φ = 354926592.

The previous prime is 1354432307. The next prime is 1354432367. The reversal of 1354432320 is 232344531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 508432 + ... + 511088.

Almost surely, 2^1354432320 is an apocalyptic number.

1354432320 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 1354432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2430475200).

1354432320 is an abundant number, since it is smaller than the sum of its proper divisors (3506518080).

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

1354432320 is a wasteful number, since it uses less digits than its factorization.

1354432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1354432320 is about 36802.6129507132. The cubic root of 1354432320 is about 1106.4176695010.

Adding to 1354432320 its reverse (232344531), we get a palindrome (1586776851).

The spelling of 1354432320 in words is "one billion, three hundred fifty-four million, four hundred thirty-two thousand, three hundred twenty".